Home / 1,199,760.08-1,655,668.60-655,898.16

Finding the Fourth Proportional to 1,199,760.08, 1,655,668.60 and 655,898.16

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Solution

The fourth proportional to 1,199,760.08, 1,655,668.60 and 655,898.16 is: 905,139.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,760.08 : 1,655,668.60 = 655,898.16 : x
  2. Step 2: Convert to fraction form
    1,199,760.08/1,655,668.60 = 655,898.16/x
  3. Step 3: Cross multiply
    1,199,760.08x = 1,655,668.60 × 655,898.16
  4. Step 4: Simplify right side
    1,199,760.08x = 1,085,949,988,309.78
  5. Step 5: Solve for x
    x = 1,085,949,988,309.78/1,199,760.08
  6. Step 6: Final answer
    x = 905,139.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.